19229320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{137}}^1$

素因数の和:199

約数の個数: 96

約数和(自身を含む): 49555800

約数和(自身を除く): 30326480

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 40, 44, 55, 58, 88, 110, 116, 121, 137, 145, 220, 232, 242, 274, 290, 319, 440, 484, 548, 580, 605, 638, 685, 968, 1096, 1160, 1210, 1276, 1370, 1507, 1595, 2420, 2552, 2740, 3014, 3190, 3509, 3973, 4840, 5480, 6028, 6380, 7018, 7535, 7946, 12056, 12760, 14036, 15070, 15892, 16577, 17545, 19865, 28072, 30140, 31784, 33154, 35090, 39730, 43703, 60280, 66308, 70180, 79460, 82885, 87406, 132616, 140360, 158920, 165770, 174812, 218515, 331540, 349624, 437030, 480733, 663080, 874060, 961466, 1748120, 1922932, 2403665, 3845864, 4807330, 9614660, 19229320]

約数ペア:

[(1, 19229320), (2, 9614660), (4, 4807330), (5, 3845864), (8, 2403665), (10, 1922932), (11, 1748120), (20, 961466), (22, 874060), (29, 663080), (40, 480733), (44, 437030), (55, 349624), (58, 331540), (88, 218515), (110, 174812), (116, 165770), (121, 158920), (137, 140360), (145, 132616), (220, 87406), (232, 82885), (242, 79460), (274, 70180), (290, 66308), (319, 60280), (440, 43703), (484, 39730), (548, 35090), (580, 33154), (605, 31784), (638, 30140), (685, 28072), (968, 19865), (1096, 17545), (1160, 16577), (1210, 15892), (1276, 15070), (1370, 14036), (1507, 12760), (1595, 12056), (2420, 7946), (2552, 7535), (2740, 7018), (3014, 6380), (3190, 6028), (3509, 5480), (3973, 4840)]